Home / 10,571,035.20-15,856,552.80-8,807,438.40

Finding the Fourth Proportional to 10,571,035.20, 15,856,552.80 and 8,807,438.40

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Solution

The fourth proportional to 10,571,035.20, 15,856,552.80 and 8,807,438.40 is: 13,211,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,035.20 : 15,856,552.80 = 8,807,438.40 : x
  2. Step 2: Convert to fraction form
    10,571,035.20/15,856,552.80 = 8,807,438.40/x
  3. Step 3: Cross multiply
    10,571,035.20x = 15,856,552.80 × 8,807,438.40
  4. Step 4: Simplify right side
    10,571,035.20x = 139,655,612,022,347.53
  5. Step 5: Solve for x
    x = 139,655,612,022,347.53/10,571,035.20
  6. Step 6: Final answer
    x = 13,211,157.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.